Base | Representation |
---|---|
bin | 100011101011110111… |
… | …010100111111001001 |
3 | 10122220100222120220100 |
4 | 203223313110333021 |
5 | 1111433110404014 |
6 | 25334051520013 |
7 | 2524346113521 |
oct | 435367247711 |
9 | 118810876810 |
10 | 38316888009 |
11 | 152829800a4 |
12 | 75142b9009 |
13 | 37c8469aca |
14 | 1bd6c40681 |
15 | ee3d6c009 |
hex | 8ebdd4fc9 |
38316888009 has 27 divisors (see below), whose sum is σ = 56198276589. Its totient is φ = 25157404440.
The previous prime is 38316887977. The next prime is 38316888011. The reversal of 38316888009 is 90088861383.
It is a happy number.
The square root of 38316888009 is 195747.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 38316888009 - 25 = 38316887977 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (38316888059) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41693652 + ... + 41694570.
Almost surely, 238316888009 is an apocalyptic number.
38316888009 is the 195747-th square number.
38316888009 is the 97874-th centered octagonal number.
It is an amenable number.
38316888009 is a deficient number, since it is larger than the sum of its proper divisors (17881388580).
38316888009 is an frugal number, since it uses more digits than its factorization.
38316888009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1986 (or 993 counting only the distinct ones).
The product of its (nonzero) digits is 1990656, while the sum is 54.
The spelling of 38316888009 in words is "thirty-eight billion, three hundred sixteen million, eight hundred eighty-eight thousand, nine".
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